Home / 2,799.26-4,208.22-1,983.38

Finding the Fourth Proportional to 2,799.26, 4,208.22 and 1,983.38

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Solution

The fourth proportional to 2,799.26, 4,208.22 and 1,983.38 is: 2,981.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799.26 : 4,208.22 = 1,983.38 : x
  2. Step 2: Convert to fraction form
    2,799.26/4,208.22 = 1,983.38/x
  3. Step 3: Cross multiply
    2,799.26x = 4,208.22 × 1,983.38
  4. Step 4: Simplify right side
    2,799.26x = 8,346,499.38
  5. Step 5: Solve for x
    x = 8,346,499.38/2,799.26
  6. Step 6: Final answer
    x = 2,981.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.